Bomb



Nov. 18, 1 24. 5 1,515,705

Fild May 4, 1923 2 Sheets-Sheet 1 Jail . IN VENTOR Frank Sh or! A TTORNEY 1924. 18 F. SHORT BOMB Filed May 4, 1925 2 Sheets-Shes. 2

INVENTOR Franks/Lori A TTORNE Y 1,515,705 Price.

" ERAEK SHQET, O15 PENN KAN, NEW

BQ EB.

appiication filed. ma c, was. Sflal' its. estea I (FILED UMER THE": AGE9? BTAECE 3, 1823, 22 fiEAE. T @255.)

To all whom it may concern: Be it known that I, FRANK Snon'r, a cltizenof the United States, and a resident of Penn Yan, county of Yates, andState of New York, have invented an Improvement in Bombs, of which thefollowing is a speclfication.

The invention described herein' may be used by the Government, or any ofits 05- cers or employees in prosecution of work for the Government, orby any other person in the United States, without payment to me of anyroyalty thereon, in accordance with the act of March 3, 1883.

The subject of this invention is a'bomb, the invention relates morespecifically to the stabilizing fins of a bomb.

In the construction of'bombs it is necessary that the tail fins beproperly braced in order that they may withstand theqpressure placedupon them during flight as well as to avoid distortion of and shipment.

The present invention provides a fin struc ture which gives a selfbraced fin thereby avoiding the necessityfor stays or braces between thefins. w 1

It is also an object of the invention to 1'0- vide a fin or fins betweenwhich a con ed air space is provided so as to stabilize the bombs Withthe foregoing and other objects in View, the invention resides in thenovel ar rangement and combination of parts and in the details ofconstruction hereinafter described and claimed, it being understood thatchanges in the precise embodiment of the invention herein disclosed maybe made within the scope of what is claimed without departing from thespirit ofthe invention.

A practical embodiment of the invention is illustrated in theaccompanying drawing, wherein:

Fig. 1 is a view in elevation of a bomb constructed in accordance withmy inventionv Fig. 2 is a rear end elevation of the same; F Fig. 3 is asection on the line 3-3 of I 1g. 1' v Fig. 4 is a section on the line44, of

l igjii is a view in elevation of 'a bomb showlng a further modificationof the fins;

Fig. 6 is a rear end elevation;

the fins during handling Fig. 7 is a section on the line Z? of Fig. 5;

Fig. 8 is an elevation of the bomb showing a still furthermodificationof the fins;

Fig. 9 is a rear end elevation of the same;

Fig. 10 is a section on the line 1010 of Fig. 8;

ig. 11 is a sectional view showing a still further modification of thefin shown in Fig. 8;

Fig. 12 is an elevation of a bomb showing astill further modification ofthe fin;

Fig. 13 is a rear end elevation of the same;

Fig. 14 is a section taken on the line 1i14 of Fig. 12; and

Fig. 15 is a detail sectional view of fins formed to provide airpassages therethrongh.

Referring to the drawings by numerals of reference:

The usual bomb nose is shown at 20 to which is attached in any suitablemanner the bomb body 21 which is formed from tubular material swaged ona. suitable mandril to draw the rear end of the tube A to proper streamline as shown and atthe same time fold spaced apart portions of the tubeoutwardly to form fins 22 substantially of V-shape incross section, thefins in this instance being preferably stream lined or tapered towardtheir rear end.

In Fig. 5 is shown a tubular body 21 connected to the bomb nose and tothe rear end of the body is connected a tail piece 23 which is formedpreferably of tubular material placed upon a suitable mandril and swagedto draw the tube to a coneand to fold spaced apart portions of the tubeout wardly to form the fins 22' which are subwhich at the pointof'joining with the cone gradually taper toward the front and rearstantiallyof V shape in cross section and In Fig. 11 the same form oftail piece and fin is shown with the exception that the vane 24' is madeof a separate piece clamped between the fin members to which it isriveted or otherwise joined. While the vane as herein shown is aseparate piece of sheet metal it is to be understood that the same maybe integral with the fin proper, in which instance the vane would bedivided along its inner edge to form the fin, or it may be of sheetmetal folded upon itself to form a fin of V or Y shape in cross section,and secured to the tail piece'or bomb body along its two edges.

The modified tail piece and fin shown in Fig. 12 is constructed in thesame manner as the fins heretofore described, the difference being thatthe fins 26 are wider at the rear end than at the forward end thus pro-,ducing a certain amount of vacuum at the rear end of each fin and socontrolling to some extent the flight of the bomb.

In Fig. 15 a fin similar to that shown in Fig. l is illustrated the finbeing open at the forward end so as to provide an air passagetherethrough thus aiding in stabilizing the bomb during flight.

While I have illustrated and described herein fins made integral withthe tail piece, it is to be understood that the fins may be formedseparately and attached by riveting or welding to the tail piece or bombbody.

. I claim:

1. A bomb, embodying a tail piece, finsintegral with the tail piece ofsubstantial V-shape in cross section, each fin open to provide an airpassage therethrough.

2.- A method of forming self braced bomb fins, consisting of drawing atube into a cone and at the same time folding portions ofthe tube atspaced apart intervals thereabout outwardly.

3. A bomb, embodying a tail piece, fins carried by the tail piece ofsubstantially V- shape in cross section, the walls of the fins spacedfarther apart at points in advance of the trailing edges.

FRANK SHORT.

